550224216441 has 63 divisors (see below), whose sum is σ = 837548290677. Its totient is φ = 361301818680.

The previous prime is 550224216343. The next prime is 550224216449. The reversal of 550224216441 is 144612422055.

The square root of 550224216441 is 741771.

It is a perfect power (a square), and thus also a powerful number.

550224216441 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 2 + 4 + 2 + 1 + 644 + 1 = 666.

It is not a de Polignac number, because 550224216441 - 2⁷ = 550224216313 is a prime.

It is a super-2 number, since 2×550224216441² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550224216396 and 550224216405.

It is not an unprimeable number, because it can be changed into a prime (550224216449) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1662308646 + ... + 1662308976.

Almost surely, 2^550224216441 is an apocalyptic number.

550224216441 is the 741771-st square number.

550224216441 is the 370886-th centered octagonal number.

It is an amenable number.

550224216441 is a deficient number, since it is larger than the sum of its proper divisors (287324074236).

550224216441 is an frugal number, since it uses more digits than its factorization.

550224216441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Multiplying 550224216441 by its sum of digits (36), we get a square (19808071791876 = 4450626²).

Adding to 550224216441 its reverse (144612422055), we get a palindrome (694836638496).

The spelling of 550224216441 in words is "five hundred fifty billion, two hundred twenty-four million, two hundred sixteen thousand, four hundred forty-one".